My pool was very green. And I did not have the time to turn it into blue, hence hired a pool company. Agreed to an estimate of $275 to turn-around the pool and $95 for DE filter clean. The guy showed up when nobody was home, went ahead and dropped 15 pounds of shock in the pool and cleaned the filter. At that time he discovered that the manifold on the filter had cracked. He sent me a text about it. He left my premises leaving the filter open with the grids lying outside. I asked him for an estimate to replace the manifold, he got back to me after 3 days with an estimate of $178 part and labor for it. I agreed to it. Another 3 days have passed and he has not returned with a new manifold . Now the pool has turned green again since the pump was not run for 6 days. On contacting him again, he says he doesnot have an opening to install the manifold until 2 weeks . And he wants to get paid the $275 and $95 before he can come back. I paid the $95 for DE filter cleaning. But I am thinking of holding back the $275. Because he botched the pool turnaround by shocking it without running the pump. Sorry for the long story. Heres my question 1) Am I right in not paying him the $275? 2) He has emailed me the invoice, what can he do if I dont pay?